News tagged with brown bear
New study suggests polar bears evolved earlier than previously thought
(Phys.org) -- A new genetic analysis carried out by and international team of scientists has revealed that polar bears and brown bears may have diverged around 600,000 years ago, which is much earlier than ...
Apr 20, 2012 |
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Wild brown bear observed using a tool
(PhysOrg.com) -- Because brown bears are so reclusive, not to mention dangerous to be around, not a lot is really known about their brain power. This is actually rather odd because bears have the largest brains ...
Mar 07, 2012 |
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Study: Using a gun in bear encounters doesn't make you safer
Carrying a gun in bear country doesn't mean you're more protected in the event of a bear encounter, according to new research out of Brigham Young University.
Mar 06, 2012 |
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With climate changes, polar bear and brown bear lineages intertwine
Polar bears' unique characteristics allow them to survive in one of the most extreme environments on Earth, but that survival is now threatened as rising temperatures and melting ice reshape the Arctic landscape. Now it appears ...
Jul 07, 2011 |
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Ancestry of polar bears traced to Ireland
An international team of scientists has discovered that the female ancestor of all living polar bears was a brown bear that lived in the vicinity of present-day Britain and Ireland just prior to the peak of ...
Jul 07, 2011 |
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Future of polar bears likely to be grim
Will polar bears survive in a warmer world? UCLA life scientists present new evidence that their numbers are likely to dwindle.
Nov 24, 2010 |
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Female Cantabrian bears and their young do not hibernate
A team of Spanish scientists followed the brown bear population through the mountains of the Cantabrian Cordillera between 1998 and 2007 in order to find out about their hibernation habits, which had been ...
Oct 06, 2010 |
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Ancient DNA from rare fossil reveals that polar bears evolved recently and adapted quickly
A rare, ancient polar bear fossil discovered in Norway in 2004 is yielding a treasure trove of essential information about the age and evolutionary origins of the species whose future is now seen as synonymous ...
Mar 01, 2010 |
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French male bears in immediate need of more females
The population of brown bears (Ursus arctos) in France is now so small that the species might become extinct in the near future. However, there is new hope in the form of new research published October 28 in the open-access, peer-r ...
Oct 27, 2009 |
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Northern brown bears discovered feeding on whitefish runs
The discovery of brown (grizzly) bears feeding on migrating broad whitefish in a stream in Mackenzie Delta region of the Northwest Territories has researchers advising increased care in petroleum extraction and infrastructure ...
Sep 22, 2009 |
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